Lead Operating Engineer

JLL empowers you to shape a brighter way

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented peopleand empowering them tothrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

This position leads operations and maintenance activities for critical building systems, managing a high-performing engineering team to ensure maximum infrastructure availability and client satisfaction. The role combines hands‑on technical expertise with leadership responsibilities, overseeing both preventive and corrective maintenance programs while maintaining compliance with regulatory requirements and safety standards.

• Lead operations and maintenance on assigned shift, monitoring performance and directing service requests with minimal disruption to building operations
• Operate and monitor critical system equipment including HVAC, UPS systems, generators, chillers, and building management systems
• Provide technical training and support to shift engineers and maintenance technicians while fostering team development
• Implement and oversee preventative maintenance programs, including scheduling, task delegation, and parts ordering
• Process work orders for preventative and corrective maintenance, consulting with staff to identify materials and complete documentation
• Respond immediately to operational emergencies and system failures, providing real‑time technical guidance and problem resolution
• Conduct regular facility inspections to assess effectiveness of operations, maintenance programs, and personnel performance
• Develop annual maintenance plans and capital improvement strategies for infrastructure upgrades and equipment replacements
• Ensure regulatory compliance with Federal, State, and Local laws while maintaining up‑to‑date building documentation and drawings

• Extensive experience with critical building systems including mechanical, electrical, fire safety, and building management systems
• Strong background in raised floor critical operating environments and associated best practices
• Proven leadership experience managing engineering teams and coordinating with contractors
• Knowledge of preventative maintenance programs and work order management systems
• Understanding of regulatory compliance requirements for critical facilities
• Ability to respond effectively to emergency situations and provide technical consultation
• Experience with energy management and sustainability practices

• Participation in professional trade organizations and continuing education programs
• Experience with Critical Environment Management programs
• Background in construction support, commissioning, and project management
• Knowledge of CFCR notification and CFIR processes
• Experience implementing continuous improvement processes in operations and maintenance

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

On-site - St. Louis, MO

• 401(k) plan with matching company contributions
• Comprehensive Medical, Dental & Vision Care
• Paid parental leave at 100% of salary
• Paid Time Off and Company Holidays
• Early access to earned wages through Daily Pay

JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include:

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable…